DN80 (3 Inch) SS304 Dual Plate Check Valve – Wafer Non-Return Valve for Industrial Piping Systems

✅ The DN80 (3 Inch) SS304 Dual Plate Check Valve is designed to prevent reverse flow in industrial piping systems, protecting pumps, control valves, and other equipment from backflow damage. Featuring a compact wafer-type dual-plate design, the valve minimizes installation space while providing reliable and efficient operation.

✅ The valve operates automatically using the pressure of the flowing medium. During normal flow, the dual plates open with minimal pressure loss. When flow stops or reverses, the stainless steel spring immediately closes the plates, preventing reverse flow and reducing the risk of water hammer.

✅ The valve body, dual plates, shaft, and spring are manufactured from SS304 stainless steel, offering excellent corrosion resistance, oxidation resistance, and long service life. This makes the valve suitable for clean water, food processing, pharmaceutical, and light chemical applications.

✅ Its wafer-type construction allows installation between standard flanges such as JIS 10K, ANSI Class 150, and PN10/PN16. The lightweight and compact design simplifies installation, maintenance, and replacement while reducing overall system weight.

✅ With a nominal size of DN80 (3 Inch), the valve is ideal for medium-capacity piping systems. It provides dependable sealing performance, low maintenance requirements, and reliable long-term operation in demanding industrial environments.

✅ The SS304 dual plate check valve is widely used in water supply systems, water treatment plants, HVAC systems, food and beverage processing, pharmaceutical production, light chemical industries, compressed air systems, and general industrial piping applications.

Technical Specifications

✅ Product Name: Dual Plate Check Valve

✅ Nominal Size: DN80 (3 Inch)

✅ Valve Type: Dual Plate Non-Return Valve

✅ Connection Type: Wafer

✅ Flange Standard: JIS 10K, ANSI Class 150, PN10/PN16

✅ Body Material: Stainless Steel SS304

✅ Disc Material: Stainless Steel SS304

✅ Shaft Material: Stainless Steel SS304

✅ Spring Material: Stainless Steel SS304

✅ Seat Material: EPDM or PTFE (Depending on Version)

✅ Working Pressure: PN10 / PN16

✅ Operating Temperature: -10°C to +180°C (Depending on Seat Material)

✅ Working Medium: Water, Clean Water, Air, Low-Pressure Steam, Oil, Mild Chemicals

✅ Operation: Automatic by Flow Pressure

✅ Manufacturer: Depending on Supplier

✅ Origin: Depending on Production Batch

Applications

✅ Clean Water Supply Systems

✅ Water Treatment Plants

✅ HVAC Systems

✅ Fire Protection Systems

✅ Booster Pump Stations

✅ Industrial Piping Systems

✅ Food and Beverage Industry

✅ Pharmaceutical Manufacturing

✅ Chemical Processing Plants

✅ Compressed Air Systems

✅ Cooling Water Circulation Systems

✅ Industrial Production Lines

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